Merge branch '201-homepage-hit-a-404-trying-to-load-banniere_en-png' into 'master'

Fix 404 error on banniere-en.png

Closes #201

See merge request !218
5 jobs from master in 10 minutes and 44 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #1933
memopol
docs build

00:01:57

passed #1932
memopol
qa checks

00:01:55

passed #1931
memopol
unit tests

00:06:08

89.0%
 
  Deploy
failed #1935
memopol
django deploy

00:00:34

passed #1934
memopol
docs deploy

00:00:08

 
Name Stage Failure
failed
django deploy Deploy There is an unknown failure, please try again
    state.apps  # Render all real_apps -- performance critical
File "/srv/memopol/memopol_env/local/lib/python2.7/site-packages/django/utils/functional.py", line 59, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "/srv/memopol/memopol_env/local/lib/python2.7/site-packages/django/db/migrations/state.py", line 166, in apps
return StateApps(self.real_apps, self.models)
File "/srv/memopol/memopol_env/local/lib/python2.7/site-packages/django/db/migrations/state.py", line 248, in __init__
raise ValueError(msg.format(field=operations[0][1], model=lookup_model))
ValueError: Lookup failed for model referenced by field memopol_scores.ThemeScore.representative: representatives.Representative
ERROR: Job failed: exit status 1